Workshops “How to enlarge passages: Methods and laws” and “What to do with toxic gases: Ventilation systems”
Werner Zagler, Höhlenrettungsverbund Deutschland
Passage Enlargement
We promote the exchange of knowledge and experience in the field of cave rescue
Workshops “How to enlarge passages: Methods and laws” and “What to do with toxic gases: Ventilation systems”
Werner Zagler, Höhlenrettungsverbund Deutschland